示例#1
0
        //执行按钮
        private void Start_Click(object sender, RoutedEventArgs e)
        {
            //准备处理容器
            ITEM.Clear();
            for (int i = 0; i < RealRam.Count(); i++)
            {
                ITEM.Add(RealRam[i]);
            }
            //内存未开辟判定
            if (RealRam.Count() == 0)
            {
                MessageBox.Show("还未初始化内存空间");
                return;
            }
            RAM r = new RAM();

            //得到处理实例
            for (int i = 0; i < Op.Count(); i++)
            {
                if (Op[i].Status == Status.Wait)
                {
                    r = Op[i];
                    break;
                }
            }
            //特殊判定
            if (r.Opera == "释放" && !IsExist(r.ID, ITEM))
            {
                MessageBox.Show("ID不存在");
                r.Status = Status.Failed;
                return;
            }
            //申请操作
            if (r.Opera == "申请")
            {
                if (this.ff.IsChecked == true)
                {
                    r.Status = RAM.First_fit(ITEM, r.ID, r.Size);
                }
                else if (this.nf.IsChecked == true)
                {
                    r.Status = RAM.Next_fit(ITEM, r.ID, r.Size);
                }
                else if (this.bf.IsChecked == true)
                {
                    r.Status = RAM.Best_fit(ITEM, r.ID, r.Size);
                }
                else if (this.wf.IsChecked == true)
                {
                    r.Status = RAM.Worst_fit(ITEM, r.ID, r.Size);
                }
            }
            //回收操作
            if (r.Opera == "释放")
            {
                r.Status = RAM.Recycle(ITEM, r.ID, r.Size);
            }
            //重新放回元素
            RealRam.Clear();
            for (int i = 0; i < ITEM.Count(); i++)
            {
                RealRam.Add(ITEM[i]);
            }
            DataGrid table = this.OperaTable as DataGrid;

            table.ItemsSource = null;
            table.ItemsSource = Op;
        }